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Finding the Fourth Proportional to 243,509.67, 365,263.29 and 66,016.40

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Solution

The fourth proportional to 243,509.67, 365,263.29 and 66,016.40 is: 99,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,509.67 : 365,263.29 = 66,016.40 : x
  2. Step 2: Convert to fraction form
    243,509.67/365,263.29 = 66,016.40/x
  3. Step 3: Cross multiply
    243,509.67x = 365,263.29 × 66,016.40
  4. Step 4: Simplify right side
    243,509.67x = 24,113,365,631.64
  5. Step 5: Solve for x
    x = 24,113,365,631.64/243,509.67
  6. Step 6: Final answer
    x = 99,024.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.